|
|
Check closely the entire timing
belt and replace it if any of the following conditions is
found.
|
|
1.Hardened back side
rubber.
Back side surface is glossy, lacking in
elasticity, and so hard that no impression is left when
pressed with fingernail.
2.Cracks in back rubber
surface.
3.Cracks in canvas.
4.Cracks in
tooth roots.
|
|
6.Abnormally worn belt
sides;
| note |
belt sides are normal if they
have “knife-cut” surfaces.
|
7.Badly worn teeth.
Initial
stage: Canvas is worn (canvas fibre is fluffy; teeth
look whitish due to worn-out rubber; canvas texture is
unclear)
Second stage: Canvas is lost and rubber is
exposed (tooth width narrows down)
|
|
|
1.Check the auto-tensioner
for leaks; replace it if leaky.
|
|
|
2.Check the rod end for wear
and other damage; replace the auto-tensioner if the rod is
badly worn or damaged.
|
|
3.Measure the extension
length of the rod. If it is not within the standard value
range, replace the auto-tensioner.
Standard
value: 12.0 mm
|
|
4.Press the rod with a force
of 98 to 196 N and measure the amount of retraction. If the
measurement exceeds the standard value, replace the
auto-tensioner.
Standard value: Less than 1
mm
|
